GEARCHANGE HAS BECOME NOTCHY & DIFFICULT TO SELECT GEARS ANY ADVICE? IS A 1998 S, WTH 160K, HAVE DONE CLUTCH TEST WITH HANDBREAK ON IN SECOND GEAR & NO SLIP JUST STALLS AS I WOULD EXPECT, ANY ONE HAD A SIMILAR EXPERIENCE OR ANY EXPERT ADVICE MUCH APPRECIATED, A LITTLE URGENCY HOWEVER IS REQUIRED...